UNIVERSITIES

Students in the U.K., France and Mexico have sought to erect what many of them call "solidarity encampments," prompting a variety of responses from university authorities and local law enforcement.

With Arab students suspended for social media posts, it's "the first time we see this large amount of disciplinary procedures against students for expressing themselves," says a civil rights attorney.

As suspicion toward China spreads to academia, the FBI has advised at least 10 U.S. universities to monitor academics associated with certain Chinese institutions.